Windows 7 wont boot after RAM upgrade

FunkBlack

Reputable
Nov 13, 2016
13
0
4,510
Hi
So I bought a "Crucial 8GB (2x4GB) DIMM, DDR3, 1600MHz, CL9, 1.5V" kit.
I installed them but it stuck at loading Windows 7 logo and wont boot the windows.So I mixed an old RAM memory with a Crucial 4GB.This is a temporary fix, but what can I do to premanently fix this?

Thanks.